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Patents Grants
last 30 patents
Information
Patent Grant
Firing mechanism and stapler
Patent number
12,096,939
Issue date
Sep 24, 2024
Touchstone International Medical Science Co., Ltd.
Teng Shan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Closure driving mechanism and surgical stapler
Patent number
12,082,816
Issue date
Sep 10, 2024
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Teng Shan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Rotating mechanism and surgical stapler
Patent number
12,048,432
Issue date
Jul 30, 2024
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Zhi Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Circular stapler with audible indicator
Patent number
12,004,748
Issue date
Jun 11, 2024
Touchstone International Medical Science Co., Ltd.
Zhi Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Closure driving mechanism and medical stapler including the same
Patent number
11,980,361
Issue date
May 14, 2024
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Teng Shan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Knob assembly and circular stapler
Patent number
11,877,749
Issue date
Jan 23, 2024
Touchstone International Medical Science Co., Ltd.
Zhi Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Handle assembly and stapler including the same
Patent number
11,471,160
Issue date
Oct 18, 2022
Touchstone International Medical Science Co., Ltd.
Zhi Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Handle assembly and stapler including the same
Patent number
11,464,517
Issue date
Oct 11, 2022
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO, LTD.
Zhi Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Handle assembly and stapler including the same
Patent number
11,399,864
Issue date
Aug 2, 2022
Touchstone International Medical Science Co., Ltd.
Zhi Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Handle assembly and stapler including the same
Patent number
11,364,031
Issue date
Jun 21, 2022
Touchstone International Medical Science Co., Ltd.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Handle assembly and stapler including the same
Patent number
11,350,941
Issue date
Jun 7, 2022
Touchstone International Medical Science Co., Ltd.
Zhi Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Staple cartridge assembly and medical stapler using the staple cart...
Patent number
11,337,695
Issue date
May 24, 2022
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Yanping Ye
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Handle assembly and stapler including the same
Patent number
11,337,703
Issue date
May 24, 2022
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Zhi Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Handle assembly and stapler including the same
Patent number
11,179,158
Issue date
Nov 23, 2021
Touchstone International Medical Science Co., Ltd.
Zhi Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Tissue closure device
Patent number
11,123,064
Issue date
Sep 21, 2021
Touchstone International Medical Science Co., Ltd.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Tissue closure device and medical instrument
Patent number
11,123,072
Issue date
Sep 21, 2021
Touchstone International Medical Science Co., Ltd.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Circular stapler and staple head assembly thereof
Patent number
11,096,695
Issue date
Aug 24, 2021
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Staple cartridge assembly and medical stapler using the staple cart...
Patent number
10,888,323
Issue date
Jan 12, 2021
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Tissue closure device, tissue closure component, and medical instru...
Patent number
10,835,244
Issue date
Nov 17, 2020
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Stapling head assembly and suturing and cutting apparatus for endos...
Patent number
10,806,453
Issue date
Oct 20, 2020
Suzhou Touchstone International Medical Science Co., Ltd
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Staple cartridge assembly and medical stapler using the staple cart...
Patent number
10,772,628
Issue date
Sep 15, 2020
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Staple chamber assembly and linear surgical stitching device using...
Patent number
10,675,029
Issue date
Jun 9, 2020
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Suturing and cutting apparatus for endoscopic surgery
Patent number
10,603,063
Issue date
Mar 31, 2020
Suzhou Touchstone International Medical Science Co., Ltd
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Circular stapler and staple head assembly thereof
Patent number
10,433,848
Issue date
Oct 8, 2019
Suzhou Touchstone International Medical Science Co., Ltd
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Linear cutting stapler
Patent number
10,327,770
Issue date
Jun 25, 2019
Suzhou Touchstone International Medical Science Co., Ltd
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Linear cutting stapler
Patent number
10,265,070
Issue date
Apr 23, 2019
Suzhou Touchstone International Medical Science Co., Ltd
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Medical anastomosis device
Patent number
10,226,255
Issue date
Mar 12, 2019
Touchstone International Medical Science Co., Ltd.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Circular stapler and staple head assembly thereof
Patent number
10,136,888
Issue date
Nov 27, 2018
Touchstone International Medical Science Co., Ltd.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Loading unit assembly and linear surgical stapler with loading unit...
Patent number
10,070,864
Issue date
Sep 11, 2018
Touchstone International Medical Science Co., Ltd.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Staple chamber assembly and linear surgical stitching device using...
Patent number
9,931,120
Issue date
Apr 3, 2018
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patents Applications
last 30 patents
Information
Patent Application
CARTRIDGE ASSEMBLY AND SURGICAL STAPLER
Publication number
20240382194
Publication date
Nov 21, 2024
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Teng Shan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CLOSURE DRIVE MECHANISM AND SURGICAL STAPLER
Publication number
20240315691
Publication date
Sep 26, 2024
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Shuicheng DING
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CARTRIDGE ASSEMBLY AND SURGICAL STAPLER
Publication number
20240315694
Publication date
Sep 26, 2024
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Shuicheng DING
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ARTICULATION MECHANISM AND SURGICAL STAPLER
Publication number
20240299028
Publication date
Sep 12, 2024
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Shuicheng DING
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ANASTOMOSIS PROTECTION DEVICE
Publication number
20240024152
Publication date
Jan 25, 2024
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Teng Shan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ANASTOMOSIS PROTECTION DEVICE
Publication number
20240023964
Publication date
Jan 25, 2024
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Teng Shan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ROTATING MECHANISM AND SURGICAL STAPLER
Publication number
20230000493
Publication date
Jan 5, 2023
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Zhi Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CLOSURE DRIVING MECHANISM AND SURGICAL STAPLER
Publication number
20220330938
Publication date
Oct 20, 2022
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Teng Shan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CLOSURE DRIVING MECHANISM AND SURGICAL STAPLER
Publication number
20220323077
Publication date
Oct 13, 2022
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Teng Shan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CLOSURE DRIVING MECHANISM AND MEDICAL STAPLER INCLUDING THE SAME
Publication number
20220323068
Publication date
Oct 13, 2022
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Teng Shan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
KNOB ASSEMBLY AND CIRCULAR STAPLER
Publication number
20220054135
Publication date
Feb 24, 2022
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Zhi CHEN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CIRCULAR STAPLER
Publication number
20220031329
Publication date
Feb 3, 2022
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Zhi CHEN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
FIRING MECHANISM AND STAPLER
Publication number
20220031330
Publication date
Feb 3, 2022
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Teng SHAN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
STAPLE CARTRIDGE ASSEMBLY AND MEDICAL STAPLER USING THE STAPLE CART...
Publication number
20210161527
Publication date
Jun 3, 2021
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
YANPING YE
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
HANDLE ASSEMBLY AND STAPLER INCLUDING THE SAME
Publication number
20210059678
Publication date
Mar 4, 2021
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Zhi CHEN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
HANDLE ASSEMBLY AND STAPLER INCLUDING THE SAME
Publication number
20200390445
Publication date
Dec 17, 2020
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Zhi CHEN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
HANDLE ASSEMBLY AND STAPLER INCLUDING THE SAME
Publication number
20200345372
Publication date
Nov 5, 2020
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Wangdong CHEN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
HANDLE ASSEMBLY AND STAPLER INCLUDING THE SAME
Publication number
20200345373
Publication date
Nov 5, 2020
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Zhi CHEN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
HANDLE ASSEMBLY AND STAPLER INCLUDING THE SAME
Publication number
20200330119
Publication date
Oct 22, 2020
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Zhi CHEN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
HANDLE ASSEMBLY AND STAPLER INCLUDING THE SAME
Publication number
20200323532
Publication date
Oct 15, 2020
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Zhi CHEN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
HANDLE ASSEMBLY AND STAPLER INCLUDING THE SAME
Publication number
20200315628
Publication date
Oct 8, 2020
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Zhi CHEN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
TISSUE CLOSURE DEVICE AND MEDICAL INSTRUMENT
Publication number
20200305877
Publication date
Oct 1, 2020
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Wangdong CHEN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
TISSUE CLOSURE DEVICE, TISSUE CLOSURE COMPONENT, AND MEDICAL INSTRU...
Publication number
20200155148
Publication date
May 21, 2020
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CIRCULAR STAPLER AND STAPLE HEAD ASSEMBLY THEREOF
Publication number
20190380714
Publication date
Dec 19, 2019
Suzhou Touchstone International Medical Science Co., Ltd.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
TISSUE CLOSURE DEVICE
Publication number
20190167265
Publication date
Jun 6, 2019
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Wangdong CHEN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
STAPLE CHAMBER ASSEMBLY AND LINEAR SURGICAL STITCHING DEVICE USING...
Publication number
20180168652
Publication date
Jun 21, 2018
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
SUTURING AND CUTTING APPARATUS FOR ENDOSCOPIC SURGERY
Publication number
20180132878
Publication date
May 17, 2018
Suzhou Touchstone International Medical Science Co., Ltd.
Wangdong CHEN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
STAPLING HEAD ASSEMBLY AND SUTURING AND CUTTING APPARATUS FOR ENDOS...
Publication number
20170360439
Publication date
Dec 21, 2017
Suzhou Touchstone International Medical Science Co., Ltd.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
STAPLING HEAD ASSEMBLY AND SUTURING AND CUTTING APPARATUS FOR ENDOS...
Publication number
20170354413
Publication date
Dec 14, 2017
Suzhou Touchstone International Medical Science Co., Ltd.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
STAPLE CARTRIDGE ASSEMBLY AND MEDICAL STAPLER USING THE STAPLE CART...
Publication number
20170348003
Publication date
Dec 7, 2017
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Wangdong CHEN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Trademark
last 30 trademarks
Information
Trademark
85713159 - KOL
Serial number
85713159
Registration number
4321130
Filing date
Aug 27, 2012
Touchstone International Medical Science Co., Ltd.
10 - Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth